How to make qml window embedded in desktop?

[senmx]

The effect I need is: Even showing or hiding (Win+D) the desktop does not affect it.

import QtQuick 2.12
import QtQuick.Window 2.12

Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")
    color: "transparent"
    flags: Qt.FramelessWindowHint

    Rectangle {
        anchors.fill: parent
        color:"transparent"
        Column {
            Text {
                text:"hello world"
                color: "white"
                font.pointSize: 60
            }
        }
    }
}

[Markkyboy]

I have 2 desktop apps created with QML, both of them hide when doing 'Win+D'. Both apps are using only 'Qt.FramelessWindowHint'. In fact, they hide from desktop whether run from SDK or desktop.

Perhaps there is a .dll missing from your apps deployment folder?

[senmx]

@Markkyboy Thanks. It seems that I did not express the problem clearly, and revised the problem again. I need to embed the window in the desktop.

[Markkyboy]

So,........you want to embed a Window (made with QML) in to your Windows desktop?, if so, you are then saying that you don't want your embedded window to be affected (remain showing) when Win+D is used?

[senmx]

@Markkyboy bingo, I found the following solution:

BOOL Widget::enumUserWindowsCB(HWND hwnd,LPARAM lParam)
{
    long wflags = GetWindowLong(hwnd, GWL_STYLE);
    if(!(wflags & WS_VISIBLE)) return TRUE;

    HWND sndWnd;
    if( !(sndWnd=FindWindowEx(hwnd, NULL, L"SHELLDLL_DefView", NULL)) ) return TRUE;
    HWND targetWnd;
    if( !(targetWnd=FindWindowEx(sndWnd, NULL, L"SysListView32", L"FolderView")) ) return TRUE;

    HWND* resultHwnd = (HWND*)lParam;
    *resultHwnd = targetWnd;
    return FALSE;
}


HWND Widget::findDesktopIconWnd()
{
    HWND resultHwnd = NULL;
    EnumWindows((WNDENUMPROC)enumUserWindowsCB, (LPARAM)&resultHwnd);
    return resultHwnd;
}

but the compiler not found BOOL, LPARAM